Myanmar's shadow government, formed by opponents of military rule, called for a nationwide uprising against the junta on Tuesday, amid reports of new protests and a flare-up in fighting between the army and ethnic military groups.

Duwa Lashi La, acting president of the National Unity Government (NUG), said the shadow government was launching a "people's defensive war", signalling in a speech what appeared to be a bid for greater coordination of armed militias and ethnic forces...